<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<input type="checkbox" name="qhf" />
		<!-- <input type="button" name="" id="" value="test" /> -->
	</body>
	<script type="text/javascript">
		var qhf = document.querySelector("input[type=checkbox]")
		// var btn = document.querySelector("input[type=button]")
		qhf.onclick=function(){
			// 这里识别出,用户操作的也是property
			debugger
			// qhf.checked=true;
		}
	</script>
</html>
